[ in-fuh n-tl-ahyz, -tahy-lahyz, in-fan-tl-ahyz ]
/ ˈɪn fən tlˌaɪz, -taɪˌlaɪz, ɪnˈfæn tlˌaɪz /

verb (used with object), in·fan·til·ized, in·fan·til·iz·ing.

to keep in or reduce to an infantile state.
to treat or regard as infantile or immature.
Also especially British, in·fan·til·ise.

Origin of infantilize

1940–45; infantile + -ize, or by back formation from infantilization

Related forms

in·fan·til·i·za·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for infantilize